apt-config is an internal program used by various portions of the APT suite to provide consistent configurability. It accesses the main configura-tion file /etc/apt/apt.conf in a manner that is easy to use by scripted applications.
Package-Mgmt
APTonCD is a tool with a graphical interface which allows you to create one or more CDs or DVDs (you choose the type of media) with all of the packages you’ve downloaded via APT-GET or APTITUDE, creating a removable repository that you can use on other computers.One thing you need to remember this will create backup all the packages installed using apt-get,synaptic because these package arcives are stored in /var/cache/apt/archives
Dpkg is the Debian package manager dpkg is a medium-level tool to install, build, remove and manage Debian packages. The primary and more user-friendly front-end for dpkg is dselect.dpkg itself is controlled entirely via command line parameters,which consist of exactly one action and zero or more options. The action-parameter tells dpkg what to do and options control the behavior of the action in some way.
Synaptic is a graphical user interface (GUI) for managing software packages on Debian-based distributions. If you are using Debian or Ubuntu you will easily find Synaptic in the System Tools menu or in the Administration menu. Synaptic uses the GTK graphic libraries . So, if you are using GNOME on your debian-based distro you will probably have Synaptic installed as well. Synaptic is a graphical package management program for apt. It provides the same features as the apt-get command line utility with a GUI front-end based on Gtk+.
